Anew High Speed Two-Dimensional Ccd Atmospheric Turbulence Monitor

A Howard Waldie; David B Soules; James J Drexler; Frank D Eaton; William A Peterson; John R Hines

doi:10.1117/12.945792

10 August 1988 Anew High Speed Two-Dimensional Ccd Atmospheric Turbulence Monitor

A Howard Waldie, David B Soules, James J Drexler, Frank D Eaton, William A Peterson, John R Hines

Proceedings Volume 0926, Optical, Infrared, Millimeter Wave Propagation Engineering; (1988) https://doi.org/10.1117/12.945792
Event: 1988 Technical Symposium on Optics, Electro-Optics, and Sensors, 1988, Orlando, FL, United States

Abstract

A new atmospheric turbulence monitor utilizes relative motion between dual images of a single star, formed by two subapertures of a Schmidt-Cassegrain telescope, to calculate Fried's atmospheric seeing parameter, r0. Dual images are formed on a two-dimensional CCD array, and intensity at each pixel location is digitized for calculations by the host computer. Flexibility in frame rate, exposure time, and data processing are incorporated into the system design through extensive use of programmable array logic, state machines, and microcomputer control. The equipment eliminates many problems characteristic of current systems which use one-dimensional detectors and a single image.

Citation Download Citation

A Howard Waldie, David B Soules, James J Drexler, Frank D Eaton, William A Peterson, and John R Hines "Anew High Speed Two-Dimensional Ccd Atmospheric Turbulence Monitor", Proc. SPIE 0926, Optical, Infrared, Millimeter Wave Propagation Engineering, (10 August 1988); https://doi.org/10.1117/12.945792

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